US Bridges

FAU 4186 over N Highland ST / I-40

Poor

Shelby County, Tennessee · Highland ST - Memphis · Structure no. 79I00400081

Built
1972
53 years old
Condition
Poor
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
4,669
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4186 over N Highland ST / I-40 is a concrete continuous box beam or girders - single or spread carrying FAU 4186 over N Highland ST / I-40 in Shelby County, Tennessee. It was built in 1972, so it is 53 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,669 vehicles a day, roughly 8% of them trucks, projected to reach 7,470 by 2042. The structure is 212 ft (64.6 m) long and 81 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAU 4186
CrossesN Highland ST / I-40
LocationHighland ST - Memphis
RouteCity Street 4186
CountyShelby County
StateTennessee
Coordinates35.18969, -89.94458
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating53.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length212 ft (64.6 m)
Longest span106 ft (32.3 m)
Deck width81 ft (24.8 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,669 (2021)
Projected traffic7,470 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4186 over N Highland ST / I-40 built?

It was built in 1972, making it 53 years old in 2025.

What condition is FAU 4186 over N Highland ST / I-40 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does FAU 4186 over N Highland ST / I-40 carry?

About 4,669 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAU 4186 over N Highland ST / I-40?

The structure is 212 ft (64.6 m) long with a longest span of 106 ft (32.3 m) and a deck 81 ft wide.

Who owns FAU 4186 over N Highland ST / I-40?

It is owned by the State Highway Agency.